A piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. It is cut to size and may include a frame. It may have an index line or other marking. See also window, observation; and dial, scale.
Classification: Clock or watch glass; glasses for noncorrective spectagles not optically worked; hollow glass spheres and their segments for the mnfctr ofsuch glasses
NSN 5945-00-221-4921
NSN 6105-01-128-6376
NSN 6150-01-321-0295
NSN 6320-01-277-5793
NSN 6645-01-620-2407
NSN 6650-00-205-6282
NSN 6650-01-409-1992
NSN 5990-01-024-9659
NSN 5920-00-915-1206
NSN 6105-01-655-6488
NSN 5925-01-367-5971
NSN 5960-01-439-9517